从模糊到清晰，GE发布全新一代ECT——NM/CT860！

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                    <section data-role="paragraph" data-color="rgb(182, 228, 253)" data-custom="rgb(182, 228, 253)"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section powered-by="gulangu"><section><section><section><section><p><p><img src="image/20201014/86b79d371e9862b01189f0252a03b2cd_1.png" /></p></p></section><section><section><span><strong></strong></span></section><p><span>医疗器械媒体报道先锋</span></p><p><span>分享专业医疗器械知识</span></p></section><section><section><section><span>关注</span></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section></section><section><section><section><section><section><section><br  /></section><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><section><svg viewbox="0 0 1 1"></svg></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section><section powered-by="gulangu"><section><br  /></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section></section></section></section><section powered-by="gulangu"><section><p>单光子发射计算机断层成像术(Single-Photon Emission Computed Tomography，SPECT)和正电子发射断层成像术(Positron Emission Tomography，PET)是核医学的两种CT技术，由于它们都是对从病人体内发射的γ射线成像，故统称发射型计算机断层成像术(Emission Computed Tomography，ECT)。</p><p><br  />不过因为SPECT有成像不够清晰的短板，因此逐渐被SPECT/CT所取代，而SPECT/CT也以最先进的医学影像设备之一的身份“C位出道”，成为活体疾病诊断和新药研发研究的理想工具。在骨骼显像、甲状腺显像、局部脑血流断层显像、肾动态显像及肾图检查、阿尔茨海默症早期诊断等方面有着几乎无可披靡的优势。</p></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><section><section><svg viewbox="0 0 1 1"></svg></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section><section powered-by="gulangu"><section><br  /></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section></section></section></section></section><section><br  /></section><section><span>近日，SPECT/CT又添新成员，2020年5月16日，GE医疗中国于线上发布会发布了全新一代</span><span>SPECT/CT—— <strong>NM/CT 860</strong>。</span></section><section><span><br  /></span></section><section><span><p><img src="image/20201014/1bb3dfee265f4bfcc9a952df7e1a1a68_2.jpg" /></p></span></section><section><br  /></section><p><span>基于SPECT/CT在临床上广泛运用，该类产品已经作为核医学影像检查中的基础设备，被誉为开启分子诊疗一体化精准方案的金钥匙。而此次GE医疗发布的<strong>NM/CT 860</strong>配备了GE独有的三大核心创新技术：灵晰双升准直器、类螺旋采集模式、高清芯降噪技术。在信号采集源头实现降噪、提高SPECT/CT影像检查的灵敏度和影像分辨率的同时，缩短扫描时间、提高检查效率，为更为精准、高效的核医学影像诊断提供助力。</span></p><p><span><br  /></span></p><p><span><p><img src="image/20201014/290b18b2bfea6829c1eefc9224493b65_3.jpg" /></p></span></p><p><br  /></p><p><span>接下来我们来共同了解一下GE向业界推出的NM/CT 860所拥有三大核心技术创新：</span></p><p><br  /></p><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><p><strong>灵晰双升准直器</strong></p></section></section></section></section><section powered-by="gulangu"><section><br  /></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section></section><p><br  /></p><p><span>首次实现系统灵敏度和分辨率的双提升，可以更精准的分辨微小病灶，给临床诊断提供更为精准、有价值的诊断信息。比如肿瘤全身骨转移成像，病灶的CNR(靶噪比)提升1.5倍以上，也就是说，病灶检出率提升了1.5倍，微小病灶更容易被发现。</span></p><p><br  /></p><p><p><img src="image/20201014/48cad6fee5f175270ec61c9efd70cd32_4.png" /></p></p><p><p><img src="image/20201014/0824b342ed86c3a0016f8fa1c40bb568_5.png" /></p></p><p><br  /></p><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><p><strong>类螺旋采集模式</strong></p></section></section></section></section><section powered-by="gulangu"><section><br  /></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section></section></section></section><p><br  /></p><p><span>全新采集模式，提高25%断层数据采集。以往传统的SPECT/CT探测器只能在静止的时候采集数据，NM/CT 860具备的类螺旋采集模式可以实现在断层扫描中，让探测器在运动和静止的时候同时采集信号，提高了采集信号量，同时缩短扫描时间。这样创新能够有效缓解目前国内由于断层扫描时间过长带来的患者排队等待以及很多医院对于开展这项更为精准的分子影像检查的顾虑。</span></p><p><br  /></p><p><p><img src="image/20201014/192aa50e2848ceeaac1633bf14f982b2_6.png" /></p></p><p><br  /></p></section><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><p><strong>高清芯降噪技术</strong></p></section></section></section></section><section powered-by="gulangu"><section><br  /></section></section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><br  /></section></section></section></section></section><section><p><span><br  /></span></p><p><span>实现数据源头主动降噪，且不会降低信号质量，提高微小病灶检出，提升影像精准度。</span></p><p><br  /></p><p><p><img src="image/20201014/afd931e2f48b1ea8b0248b64828e7883_7.png" /></p></p><section><section powered-by="gulangu"><section><section powered-by="gulangu"><section><p><em><strong><br  /></strong></em></p></section></section></section></section></section><p><br  /></p><p><span>随着AI技术的不断发展，AI系统+医疗设备已经成了全球械企新品开发的标配，此次GE发布的NM/CT 860自然也少不了智能系统得辅佐。其搭载的智微平台有三大核心功能，分别是：<strong>一键疗效评估、全面定量指导、智能图像配准</strong>。</span><span>通过智能操作和精准定量的方式，一键实现对前列腺癌、甲状腺癌等癌症以及肿瘤内照射治疗的疗效评估，改变以往医生只能通过视觉评价或半定量的方式进行诊断。</span><span>为医生提供更精准的诊断信息。</span></p><p><br  /></p><p><p><img src="image/20201014/a33ab235d8be0ba370be84c89b6d87a1_8.png" /></p></p><p><br  /></p><p><span>分子影像技术能够探查疾病过程中细胞和分子水平的异常，在尚无解剖改变的疾病前检出异常，为探索疾病的发生、发展和转归，评价药物的疗效中，起到连接分子生物学与临床医学之间的桥梁作用。</span></p><p><span><br  /></span></p><p><span><span>囊括分子影像全影像链的GE One MI分子影像精准诊疗一体化解决方案，集</span></span><span>回旋加速器、核药合成仪、PET(SPECT)/CT、后处理工作站等各种产品，完整覆盖从核素生产、药物合成、图像采集、数据处理到解决核心临床问题的核医学生态系统闭环。而<span>新进发布的</span><span>NM/CT 860正是该影像链中的一个</span><span>核心设备。</span></span><span>未来，相信<span>NM/CT 860</span>能够和</span><span>GE One MI一同</span><span>着眼于多学科交叉转化医学中心的建设，为医疗事业发挥更大价值。</span></p><p><span><span></span></span></p><p><br  /></p><p><p><img src="image/20201014/4342583be88dd1cf3abedc0c1b4111af_9.jpg" /></p></p><p><br  /></p><section><section><section powered-by="gulangu"><section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><section><br  /></section></section></section><section><section powered-by="gulangu"><p><strong>Ps:SPECT成像原理</strong></p></section></section></section></section><section powered-by="gulangu"><section><br  /></section></section><section powered-by="gulangu"><section><section><section><svg viewbox="0 0 1 1"></svg></section></section><section><section powered-by="gulangu"><section><p>SPECT的基本本成像原理是：首先病人需要摄入含有半衰期适当的放射性同位素药物，在药物到达所需要成像的断层位置后，由于放射性衰变，将从断层处发出γ光子，位于外层的γ照相机探头的每个灵敏点探测沿一条投影线(Ray)进来的γ光子，通过闪烁体将探测到的高能γ射线转化为能量较低但数量很大的光信号，通过光电倍增管将光信号转化为电信号并进行放大，得到的测量值代表人体在该投影线上的放射性之和。在同一条直线上的灵敏点可探测人体一个断层上的放射性药物，它们的输出称作该断层的一维投影(Projection)。图中各条投影线都垂直于探测器并互相平行，故称之为平行束，探测器的法线与X轴的交角θ称为观测角(View)。γ照相机是二维探测器，安装了平行孔准直器后，可以同时获取多个断层的平行束投影，这就是平片。平片表现不出投影线上各点的前后关系。要想知道人体在纵深方向上的结构，就需要从不同角度进行观测。可以证明，知道了某个断层在所有观测角的一维投影，就能计算出该断层的图像。从投影求解断层图像的过程称作重建(Reconstruction)。这种断层成像术离不开计算机，所以称作计算机断层成像术(Computed Tomography，CT)。CT设备的主要功能是获取投影数据和重建断层图像。</p></section></section></section></section></section></section><p><br  /></p></section></section></section></section></section></section><section data-role="outer" label="Powered by gulangu"><section data-role="paragraph" 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